Engine Management
Exhaust emissions are controlled by the design of the fundamental engine parameters and components (e.g. carburation, ignition, timing and valve or port timing) without the addition of any major hardware.
Adjusting the Carburetor
General information
The carburetor comes from the factory with a standard setting.
This setting provides an optimum
With this carburetor it is only possible to adjust the high speed screw within fine limits.
If the setting is too lean there is a risk of engine damage due to insufficient lubrication and overheating.
Standard setting
NShut off the engine.
NCheck the air filter and clean or replace if necessary.
NCheck the spark arresting screen
English
151BA018 KN
NTurn the high speed screw (H) counterclockwise as far as stop (no more than 3/4 turn).
NCarefully turn the low speed screw (L)down onto its seat (clockwise).
NOpen the low speed screw (L) one full turn.
Adjusting idle speed
Engine stops while idling
NCarry out standard setting on low speed screw (L).
NTurn the idle speed screw (LA) clockwise until the chain begins to run – then back it off 2 turns.
Chain runs when engine is idling
NCarry out standard setting on low speed screw (L).
NTurn the idle speed screw (LA) counterclockwise until the chain stops running – then turn it another 2 turns in the same direction.
MS 192 T, MS 192 TC | 33 |